Assembly & Test Technician
Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Oct 19, 2026. Mirion scores A on the Alion truth index.
Mirion Technologies is a global leader in radiation detection, measurement, and protection. With over 50 years of experience and nearly 3,000 employees worldwide, we serve critical sectors including energy, healthcare, defence, and research.
We combine deep technical expertise with a strong customer focus to deliver reliable, high-performance solutions. Our mission is to protect people and the environment through innovative technologies and trusted service.
At Mirion, we foster a culture of integrity, collaboration, and continuous improvement empowering our teams to make a meaningful impact every day.
You’ll join Mirion Technologies, a global specialist in radiation detection, measurement and protection, supporting critical sectors including nuclear energy, healthcare, defence and research
The Opportunity
We are looking for an Assembly and Test Technician to join our customer-focused delivery team in Warrington. You’ll be involved in the assembly, integration and testing of both standard and bespoke measurement systems, supporting projects from build through to successful testing and delivery.
We are looking for a hands-on technician with practical assembly and testing experience who is comfortable working to rigorous standards and deadlines. Having a good mix of mechanical, electrical and testing experience is desirable and someone who is interested in working on technically interesting systems within a highly regulated environment.
You will be working closely with the wider project team and Project Technical Lead to support the successful delivery of projects.
Key Responsibilities
Carrying out mechanical and electrical assembly, including wiring and panel building
Completing system testing activities, including Electrical Safety testing
Fault finding, diagnostics and repair work
Working from detailed drawings, build instructions and test schedule documentation
Documenting builds, including red-line changes, and compiling build instructions
Ensuring work meets predefined quality and technical standards within a highly regulated environment
Working collaboratively with colleagues to ensure customer requirements are met
Supporting and mentoring junior team members where required
Identifying and contributing to continuous improvement initiatives
Undertaking occasional short visits to other divisional, customer and supplier site
Skills & Experience
HNC level qualification, demonstrable equivalent, or currently studying towards an HNC in an electrical discipline
Previous experience within an assembly and/or test environment
A broad range of mechanical, electrical and testing skills
Experience working within a regulated industry
Strong fault-finding, diagnostic and repair capabilities
Experience working from detailed drawings and test documentation
A working knowledge of IET Wiring Regulations
Experience using materials-handling equipment
Good interpersonal skills and the ability to work effectively both independently and within a small team
Good general IT skills, particularly Microsoft Office applications
Applicants must be able to successfully complete HMG Baseline Personnel Security Standard (BPSS) checks, with the potential requirement to undergo national-level security vetting
What we can offer
Our employees make the difference, that’s why we can offer the following:-
A competitive salary and benefits package
The opportunity to develop within an international group working on high profile projects
Ongoing professional development opportunities and training
A collaborative and supportive work environment